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- The hydraulic oil should be 20 # mechanical oil or 32 # hydraulic oil, and the oil must be fine filtered before being added.
- Periodically release the oil, precipitate and filter it before use, and clean the oil filter at the same time.
- All parts of the machine should be kept clean, and the column shaft and guide frame should be oiled frequently to maintain good lubrication.
- If abnormal noise is found, stop the machine immediately for inspection and continue to use after troubleshooting.